Patents by Inventor Rosalba Mazzucco

Rosalba Mazzucco has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4237235
    Abstract: Urethane polymers are produced by reacting isocyanate with hydroxyl compounds in the presence of a catalytic amount of a chelating catalyst or cocatalyst which is a complex of a chelating agent with metallic ions and which does not react with the reagents.
    Type: Grant
    Filed: August 21, 1978
    Date of Patent: December 2, 1980
    Inventor: Rosalba Mazzucco